Keyphrases
- dct domain
- feature extraction
- spatial domain
- post processing
- frequency domain
- dct coefficients
- transform domain
- digital video
- preprocessing
- compressed domain
- human visual system
- discrete cosine transform
- quantization step
- feature vectors
- compressed images
- low pass filtering
- image processing
- image classification
- low frequency
- video transcoding
- feature selection
- face recognition
- reference frame
- image data
- image resizing
- principal component analysis
- wavelet transform
- pattern recognition
- high frequency
- subband
- image compression
- feature set
- denoising
- multiresolution
- computer vision